. >> these sanctions represent the next stage in a calibrated effort to change russia's behavior. we don't yet know whether it will work. >> now, just a couple of hours ago, the white house released information on these actions which include, sanctions on seven russian government officials and freezing the assets of 17 russian companies. >>> new information about the deadly ferry boat tragedy in south korea. now we're learning that three members of a shipping industry trade group may have destroyed evidence connecting it to the company that operates the ferry. those people have now been arrested. this is also new video showing the ship's captaining being rescued on the first day of the disaster. a kawg officer did not know at -- coast guard officer did not know it was the captain he was rescuing. >>> this video shows some of the searchers ears underway search for that ferry that sank. so far, 188 bodies have been recovered. 114 are still missing. >>> south korea's prime minister has resigned. he says he is taking responsibility for the initial slow reaction to the ferry sinking an